BB181_15 Datasheet, PDF (2/8 Pages) NXP Semiconductors – VHF variable capacitance diode

Philips Semiconductors
Product specification

 ^{VHF variable capacitance diode}
FEATURES
• Excellent linearity
• Ultra small plastic SMD package
DESCRIPTION
The BB181 is a variable capacitance
diode, fabricated in planar technology
and encapsulated in the SOD523
handboo₁k, 2 columns
2
BB181
• C28: 1 pF; ratio: 14.
(SC-79) ultra small plastic SMD
MBK441
package.
APPLICATIONS
• Electronic tuning in satellite tuners
PINNING
Marking code: N.
Orientation of marking code as shown.
Cathode side indicated by a bar.
• Tuneable coupling
• Voltage controlled oscillators
(VCO).
PIN
DESCRIPTION
1
cathode
2
anode
Fig.1 Simplified outline
(SOD523; SC-79) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
MIN. MAX. UNIT
V_R
continuous reverse voltage
−
30
V
I_F
continuous forward current
−
20
mA
T_stg
storage temperature
−55
+150 °C
T_j
operating junction temperature −55
+150 °C
ELECTRICAL CHARACTERISTICS
T_j = 25 °C unless otherwise specified.
SYMBOL
PARAMETER
I_R
reverse current
r_s
diode series resistance
C_d
diode capacitance
C-C----_{d-d---((--02--.-85---VV---))-}
capacitance ratio
CONDITIONS
V_R = 30 V; see Fig.3
V_R = 30 V; T_j = 85 °C; see Fig.3
f = 470 MHz; note 1
V_R = 0.5 V; f = 1 MHz; see Figs 2 and 4
V_R = 28 V; f = 1 MHz; see Figs 2 and 4
f = 1 MHz
Note
1. V_R is the value at which C_d = 9 pF.
MIN.
−
−
−
8
0.7
12
MAX.
10
200
3
17
1.055
16
UNIT
nA
nA
Ω
pF
pF
1998 Nov 26
2